3/4+3/16+3/64+3/256+3/102 - 知识问答

3/4+3/16+3/64+3/256+3/1024+3/4096 请说明思考过程

2个回答

3/4+3/16+3/64+3/256+3/1024+3/4096
=3/4+3/16+3/64+3/256+3/1024+(3/4096+1/4096)-1/4096
=3/4+3/16+3/64+3/256+3/1024+1/1024-1/4096
=3/4+3/16+3/64+3/256+1/256-1/4096
=...自己推下来...
=3/4+1/4-1/4096
=1-1/4096
=4095/4096

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